Finding the Fourth Proportional to 157,464,227.20, 236,196,340.80 and 48,288,531.10
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Solution
The fourth proportional to 157,464,227.20, 236,196,340.80 and 48,288,531.10 is: 72,432,796.65
Step by Step Solution
- Step 1: Write the proportion equation
157,464,227.20 : 236,196,340.80 = 48,288,531.10 : x - Step 2: Convert to fraction form
157,464,227.20/236,196,340.80 = 48,288,531.10/x - Step 3: Cross multiply
157,464,227.20x = 236,196,340.80 × 48,288,531.10 - Step 4: Simplify right side
157,464,227.20x = 11,405,574,348,427,000 - Step 5: Solve for x
x = 11,405,574,348,427,000/157,464,227.20 - Step 6: Final answer
x = 72,432,796.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.